| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
dosage dos·age (dō'sĭj)
n.
Administration of a therapeutic agent in prescribed amounts.
Determination of the amount to be so administered.
The amount so administered.